CN107418322B - A kind of aqueous waterproofing paint of root-resistant puncturing - Google Patents
A kind of aqueous waterproofing paint of root-resistant puncturing Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
Abstract
The invention belongs to buildings waterproof fields, specifically provide a kind of aqueous waterproofing paint of root-resistant puncturing, which is formed by liquid material and preparation of powder；The formula of liquid material includes by weight percentage: VAE lotion 85~95%, defoaming agent 1~3%, mould inhibitor 0~0.3%, water 5~15%；The formula of the powder includes by weight percentage: white cement 40~60%, barium sulfate 20~40%, quartz sand 10~20%, water-reducing agent 1~3%, copper sulphate 1~15%, copper nanoparticle 1~15%, 1~15 weight % of nano zine oxide, chemical root resistance agent 0.1~1%.The present invention has filled up the blank that aqueous waterproofing paint is applied on planted roof, and the production stage of aqueous waterproofing paint of the invention is simpler relative to polyurethane, coiled material class coating, so more economical.
Description
Technical field
The invention belongs to buildings waterproof fields, and in particular to a kind of aqueous waterproofing paint of root-resistant puncturing.
Background technique
Existing water-repellent paint mainly has aqueous waterproofing paint, polyurethane water-proof paint and asphalt waterproofing paint etc.,
Using indoors, under a variety of environment such as outdoor.It requires water-repellent paint not only to meet waterproof performance on planted roof, also to have
There is root resistance, i.e., to have root-resistant puncturing.Root-resistant puncturing water-repellent paint mainly has polyurethanes and asphalt waterproofing paint.
CN104277669A discloses a kind of heat-insulated root-resistant type water-repellent paint for planted roof, and formulation for coating material includes:
Dispersing agent, defoaming agent, Lauxite, epoxy resin, polythene wax emulsion and nanometer group root agent etc., nanometer root resistance agent therein is
It is made up of numerous components such as asphalt, root resistance agent B23-5, Petropols, which belongs to oil-soluble water-repellent paint, formula
Constituent species are various, and preparation is complicated.CN103468124A discloses a kind of waterproof root resistance polyurethane coating for planted roof,
Be mixed to get by component A and component B, wherein the raw material of component A be polyurethane prepolymer, the raw material of component B include: curing agent,
Liquid filler, talcum powder, barium sulfate, chemical root resistance agent etc., chemical root resistance agent and polyurethane prepolymers etc. generate synergistic effect,
Realize waterproof, the root resistance effect of coating.CN103275611A discloses a kind of environmentally friendly root-resistant puncturing polyurethane water-proof paint, by
Component A and component B composition, component A are toluene di-isocyanate(TDI), polyethers and polymerization inhibitor, and component B is chlorinated paraffin, solvent and molten
Agent oil etc..CN105542662A discloses a kind of uncured water-repellent paint of resistance to root thorn, by softening agent, pitch, a variety of rubber etc.
Composition.
Although polyurethane water-proof paint mentioned above, asphalt waterproofing paint have reached root resistance and waterproof effect, formula
Complexity, so that it is complicated for operation, less economical, and due to the use of reaction raw materials (such as diisocyanate), organic solvent, it leads
Above-mentioned water-repellent paint is caused to there is environmental issue, and for the flowers of roof planting, vegetables etc., the feature of environmental protection is that it must be examined
An important factor for worry.It is therefore desirable to develop new environmental protection and with resistance to root thorn water-repellent paint.
Summary of the invention
The inherent advantage of water paint is exactly environmental protection, for the flowers of roof planting, vegetables, the feature of environmental protection
It is an important factor for it must be taken into consideration, this makes research of the water paint on planted roof and using with great meaning.
For this purpose, the present invention provides a kind of root-resistant puncturing aqueous waterproofing paint that can be used for planted roof, which has both waterproof root resistance
Property and the feature of environmental protection, and formula components are simple.
The present invention provides a kind of aqueous waterproofing paints of root-resistant puncturing, and the aqueous waterproofing paint is by liquid material and preparation of powder
It forms；The formula of the liquid material includes by weight percentage: VAE lotion 85~95%, defoaming agent 1~3%, and mould inhibitor 0~
0.3%, water 5~15%；The formula of the powder includes by weight percentage: white cement 40~60%, and barium sulfate 20~
40%, quartz sand 10~20%, water-reducing agent 1~3%, copper sulphate 1~15%, copper nanoparticle 1~15%, nano zine oxide 1~
15%, chemical root resistance agent 0.1~1%.
The present invention can be used using environment-friendly water-based water-repellent paint system on planted roof, make roof planting crop
More environmentally-friendly, healthy, for the alimentary crops such as vegetables, environmental protection and health are more important.The present invention has filled up water
The blank that property water-repellent paint is applied on planted roof, and aqueous waterproofing paint formula and production stage of the invention relative to
Polyurethane, coiled material class coating are simpler, so more economical.
Specific embodiment
Specific embodiments of the present invention will be described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of aqueous waterproofing paints of root-resistant puncturing, and the aqueous waterproofing paint is by liquid material and preparation of powder
It forms；The formula of the liquid material includes by weight percentage: VAE lotion 85~95%, defoaming agent 1~3%, and mould inhibitor 0~
0.3%, water 5~15%；The formula of the powder includes by weight percentage: white cement 40~60%, and barium sulfate 20~
40%, quartz sand 10~20%, water-reducing agent 1~3%, copper sulphate 1~15%, copper nanoparticle 1~15%, nano zine oxide 1~
15%, chemical root resistance agent 0.1~1%.
In the present invention, the VAE lotion belongs to aqueous dispersion, thus can avoid influence of the organic solvent to environment and not
Security risk.Normally, the solid content of the VAE lotion is, for example, 50~70%, (25 DEG C) of viscosity of lotion for 3000~
5000mPas, glass transition temperature are -10~5 DEG C.Preferably, in VAE lotion synthesis process, by the meter of substance, acetic acid
Vinyl monomer accounts for the 80~90% of total monomer (vinyl acetate and ethylene) dosage.In the present invention, in the liquid material that is previously mentioned formula
Water does not include the water in the VAE lotion.
Preferably, the VAE lotion includes stabilizer, and the stabilizer is selected from polyvinyl alcohol (PVA), hydroxyalkylcellulose
At least one of element and polyoxyethylene ether, in this case, the VAE lotion are (steady by the lotion of space stability ultimate load
Determine system is influenced and its faint by positive and negative charge), compared with using the stable lotion of anion or cationic surfactant,
The VAE lotion can further avoid the heavy poly- risk of caused emulsion system when copper sulphate is dissolved in the liquid material.It is more excellent
Selection of land, the stabilizer are polyvinyl alcohol.
In the present invention, the mould inhibitor is the conventional selection in water-repellent paint, this is not particularly limited in the present invention.Such as
The mould inhibitor can be selected from isothiazolinone, formaldehyde sustained release agent class, organic bromine class, organic amine and piperazine triazines mould inhibitor
At least one.Preferably, in the formula of the liquid material, the content of mould inhibitor is 0.1~0.3%.
During preparing coating, the copper sulphate in the powder can be dissolved with the mixing of liquid material and powder, from
And the copper ion for possessing root resistance effect is ionized out, the copper nanoparticle in the powder is same as nano zine oxide to be capable of forming root resistance
Layer enhances the root resistance effect of aqueous waterproofing paint, and the copper powder and zinc oxide that are added are Nano grade, and fineness is smaller, no
It will affect the compactness of water-repellent paint；In addition, being added to chemical root resistance agent in powder, the root resistance of waterproof layer is also greatly strengthened
Effect.Inventor has found that the addition of above-mentioned auxiliary agent has substantially no effect on waterproof while improving coating root resistance effect under study for action
Other physical properties of coating.
In the present invention, the chemical root resistance agent of institute can refer to be selected used in the existing coating of resistance to root thorn, such as selected from
(R) -2- (4- chloro-2-methyl phenoxy group) octyl propionate, N, N- diethyl -2- (1- naphthoxy) propionamide etc..Under preferable case,
The chemistry root resistance agent is N, N- diethyl -2- (1- naphthoxy) propionamide.
Preferably, in the formula of the powder, the content of copper sulphate is 1~10%, the content of copper nanoparticle is 1~
10%, the content of nano zine oxide is 1~10%, and the content of chemical root resistance agent is 0.1~0.5%, in this way can be described in the guarantee
In the case where aqueous waterproofing paint comprehensive performance, cost of material is reduced.It is highly preferred that in the formula of the powder, copper sulphate
Content is 1~5%, and the content of copper nanoparticle is 1~5%, and the content of nano zine oxide is 1~5%.
In the present invention, the defoaming agent can be selected from organic silicon defoamer, polyether antifoam agent, mineral oil antifoam agent and vegetable oil
At least one of defoaming agent.
The water-reducing agent can be selected from least one of poly carboxylic acid series water reducer, melamine water reducing agent and naphthalene water reducer.
In the present invention, the white cement is the conventional selection in polymer cement waterproof paint, such as selected from strength grade
For 32.5 white cement.
The mesh number of the quartz sand is usually 100~200 mesh.
The barium sulfate is preferably blanc fixe.
Generally, the mass ratio of the liquid material and the powder dosage can be 1 ︰ 0.8~1.5.
In the present invention, the liquid material and the powder can be made by the way that the component being respectively formulated to be uniformly mixed respectively.
In one embodiment, the liquid material is prepared by the following method to obtain: by the VAE lotion, defoaming agent, water
It is mixed and stirred for uniformly, obtaining the liquid material with optional mould inhibitor；The stirring is not less than the condition of -0.2MPa in vacuum degree
Lower progress.The stirring can carry out in the stirred tank with stirring that can connect vacuum pump.
Specifically, the stirring point can carry out two stages: the mixing speed of first stage is 300~400r/min, stirring
Time is 15~25min, and the mixing speed of second stage is 100~200r/min, and mixing time is 5~15min.
In one embodiment, the powder is prepared by the following method to obtain:
1) water-reducing agent, copper sulphate, copper nanoparticle, nano zine oxide and chemical root resistance agent are mixed and stirred for uniformly,
Obtain pre-dispersed material；
2) it is mixed and stirred for the white cement, barium sulfate, quartz sand and the pre-dispersed material uniformly, to obtain the powder
Material.
Preferably, in step 1) and step 2), the speed of the stirring is respectively 800~1500r/min, the time of stirring
Respectively 2~10min.
When in use, the liquid material is uniformly mixed with the powder, the aqueous waterproofing paint can be obtained.
Below by embodiment, the present invention will be described in detail, but the present invention should not be limited by the examples.
In following embodiment and comparative example, the VAE lotion trade mark is GW-705, and it is public that chemical industry Limited Liability is extensively tieed up purchased from Guangxi
Department；Defoaming agent is SY-3090, is purchased from Weifang Sai Yang industry and trade, and mould inhibitor is F-005 (middle federation), water-reducing agent FND, white cement
Strength grade be 32.5.
Embodiment 1
(1) preparation of liquid material
In the stirred tank for being connected with vacuum pump, sequentially add 900g VAE lotion, 20g defoaming agent, 2g mould inhibitor and
100g water is closed feed opening, is vacuumized, and makes vacuum degree of vessel not less than -0.2MPa, opens stirring, control mixing speed is
350r/min persistently stirs 20min, then reduces mixing speed to 150r/min, persistently stirs 10min, terminate stirring, close
Obtained liquid material is discharged and is packed by vacuum pump.
(2) preparation of powder
1. pre-dispersed
Sequentially add 20g water-reducing agent in high-speed mixer, 50g copper sulphate, 50g copper nanoparticle, 50g nano zine oxide,
2.5g N, N- diethyl -2- (1- naphthoxy) propionamide opens stirring, and control revolving speed is 1000r/min, stirs 5min, obtains
Pre-dispersed material.
2. powder is sufficiently mixed
Sequentially add 500g white cement in high-speed mixer, 300g blanc fixe, 200 mesh quartz sand of 150g and pre-
Disperse materials open stirring, and control revolving speed is 1000r/min, stir 5min, obtained discharge of fine material is packed.
Embodiment 2
(1) preparation of liquid material
In the stirred tank for being connected with vacuum pump, sequentially add 900g VAE lotion, 20g defoaming agent, 2g mould inhibitor and
100g water is closed feed opening, is vacuumized, and makes the vacuum degree of container not less than -0.2MPa, opens stirring, control mixing speed is
300r/min persistently stirs 25min, then reduces mixing speed to 150r/min, persistently stirs 10min, terminate stirring, close
Obtained liquid material is discharged and is packed by vacuum pump.
(2) preparation of powder
1. pre-dispersed
Sequentially add 20g water-reducing agent in high-speed mixer, 15g copper sulphate, 12g copper nanoparticle, 12g nano zine oxide,
2.5g N, N- diethyl -2- (1- naphthoxy) propionamide opens stirring, and control revolving speed is 1000r/min, stirs 5 minutes, obtains
To pre-dispersed material.
2. powder is sufficiently mixed
Sequentially add 500g white cement in high-speed mixer, 300g blanc fixe, 200 mesh quartz sand of 150g and pre-
Disperse materials open stirring, and control revolving speed is 1100r/min, stir 5min, obtained discharge of fine material is packed.
Embodiment 3
(1) preparation of liquid material
In the stirred tank for being connected with vacuum pump, 940g VAE lotion, defoaming agent 20g, mould inhibitor 2g and 60g are sequentially added
Water is closed feed opening, is vacuumized, and makes the vacuum degree of container not less than -0.2MPa, opens stirring, opens stirring, control stirring speed
Degree is 350r/min, persistently stirs 20min, then reduction mixing speed to 150r/min, persistently stirs 10min, terminates stirring,
Vacuum pump is closed, obtained liquid material is discharged and is packed.
(2) preparation of powder
1. pre-dispersed
Sequentially add 20g water-reducing agent in high-speed mixer, 125g copper sulphate, 15g copper nanoparticle, 15g nano zine oxide,
2.5g N, N- diethyl -2- (1- naphthoxy) propionamide opens stirring, and control revolving speed is 1000r/min, stirs 5min, obtains
Pre-dispersed material.
2. powder is sufficiently mixed
It is added in high-speed mixer and sequentially adds 500g white cement, 300g blanc fixe, 200 mesh quartz sand of 150g
With pre-dispersed material, stirring is opened, control revolving speed is 1100r/min, stirs 5min, obtained discharge of fine material is packed.
Comparative example 1
1) preparation of liquid material
It is same as Example 1.
2) preparation of powder
20g water-reducing agent, 500g white cement, 300g blanc fixe, 150g200 mesh quartz sand are added in high-speed mixer
With pre-dispersed material, stirring is opened, control revolving speed is 1000r/min, and obtained discharge of fine material is packed.
Comparative example 2
1) preparation of liquid material
It is same as Example 1.
2) preparation of powder
Powder is prepared referring to the method for embodiment 1, the difference is that it is added without nano zine oxide and N, N- diethyl -2-
(1- naphthoxy) propionamide.
1, quantitative measurement
(1) test method
Above-described embodiment and comparative example are surveyed according to the sample preparation, maintenance of I type, test method in GB/T23445-2009
Examination, wherein liquid material and the dosage of powder make the solid content 76% of prepared water-repellent paint.
(2) test result is as shown in table 1.
Table 1
Above embodiments are compared with comparative example, by table 1 it is found that introducing a certain amount of sulfuric acid in water-repellent paint
The powder pellet such as copper, copper nanoparticle, nano zine oxide, has little influence on the physical property of coating, and experimental result also reaches GB/
The requirement standard of I type in T23445-2009.
2, root resistance performance test
(1) test method (planting plants are pyracantha fortuneana):
1. carrying out in 60cm × 60cm × 60cm slot of planting experiment upper opening made of aluminium alloy (due to pyracantha fortuneana
Long-term ponding is avoided in growth, so side is equipped with discharge outlet below slot side)；
2. carrying out the plantation of embodiment 1-3 and comparative example 1-2 under equal ambient simultaneously respectively using 50 aluminum alloy troughs
Comparative experiments (divides 5 groups, every group 10)；
3. the water paint for preparing embodiment 1-3 and the respective powder of comparative example 1-2 and liquid material is just under equal ambient
Often construction is coated on the bottom (three times roller coating, liquid powder ratio are 1 ︰ 1.2) of aluminum alloy trough, in each slot after waterproof layer parches completely
In load onto 40cm high identical quality soil；
4. choosing pyracantha fortuneana similar in 50 root systems and branches and leaves growing way transplants to aluminum alloy trough (one plant of transplanting in a slot),
So that its root is kept 5cm distance with waterproof layer, and (note: outside the growth of 50 pearl pyracantha fortuneanas is cultivated according to its habit
Situations such as environment such as sunlight, fertilising, watering, is consistent)；
5. after normally cultivating 1 year the case where observation root system, branches and leaves and waterproof layer.
(2) test result is as shown in table 2.
Table 2
Above embodiments are compared with comparative example, by table 2 it is found that the water-repellent paint of embodiment 1-3 preparation has
Better resistance to root thorn, meets the materials'use requirement of planted roof.
It describes the prefered embodiments of the present invention in detail in conjunction with the embodiments above, still, the present invention is not limited to above-mentioned
Detail in embodiment can carry out technical solution of the present invention a variety of within the scope of the technical concept of the present invention
Simple variant, these simple variants all belong to the scope of protection of the present invention.
Claims (9)
1. a kind of aqueous waterproofing paint of root-resistant puncturing, which is characterized in that the aqueous waterproofing paint by liquid material and preparation of powder and
At；
The formula of the liquid material includes by weight percentage: VAE lotion 85~95%, defoaming agent 1~3%, and mould inhibitor 0~
0.3%, water 5~15%；
The formula of the powder includes by weight percentage: white cement 40~60%, barium sulfate 20~40%, and quartz sand 10~
20%, water-reducing agent 1~3%, copper sulphate 1~15%, copper nanoparticle 1~15%, nano zine oxide 1~15%, chemical root resistance agent
0.1~1%；
It wherein, include stabilizer in the VAE lotion, the stabilizer is selected from polyvinyl alcohol, hydroxy alkyl cellulose and polyoxy
At least one of vinethene.
2. aqueous waterproofing paint according to claim 1, wherein the chemistry root resistance agent is N, N- diethyl -2- (1- naphthalene
Oxygroup) propionamide.
3. aqueous waterproofing paint according to claim 1 or 2, wherein in the formula of the powder, the content of copper sulphate is
1~10%, the content of copper nanoparticle is 1~10%, and the content of nano zine oxide is 1~10%, and the content of chemical root resistance agent is
0.1~0.5%.
4. aqueous waterproofing paint according to claim 1, wherein the defoaming agent is selected from organic silicon defoamer, polyethers disappears
At least one of infusion, mineral oil antifoam agent and vegetable oil defoaming agent.
5. aqueous waterproofing paint according to claim 1, wherein the water-reducing agent is selected from poly carboxylic acid series water reducer, melamine
At least one of based water reducer and naphthalene water reducer.
6. aqueous waterproofing paint according to claim 1, wherein the liquid material is prepared by the following method to obtain: by institute
VAE lotion, defoaming agent, water and optional mould inhibitor is stated to be mixed and stirred for uniformly, obtaining the liquid material；The stirring is in vacuum degree
It is carried out not less than under conditions of -0.2MPa.
7. aqueous waterproofing paint according to claim 6, wherein the stirring carries out in two stages: the first stage stirs
Mixing speed is 300~400r/min, and mixing time is 15~25min；The mixing speed of second stage is 100~200r/min,
Mixing time is 5~15min.
8. aqueous waterproofing paint according to claim 1, wherein the powder is prepared by the following method to obtain:
1) water-reducing agent, copper sulphate, copper nanoparticle, nano zine oxide and chemical root resistance agent are mixed and stirred for uniformly, obtaining
Pre-dispersed material；
2) it is mixed and stirred for the white cement, barium sulfate, quartz sand and the pre-dispersed material uniformly, to obtain the powder.
9. aqueous waterproofing paint according to claim 8, wherein in step 1) and step 2), the speed point of the stirring
Not Wei 800~1500r/min, the time of stirring is respectively 2~10min.
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| CN111995946A (en) * | 2020-08-26 | 2020-11-27 | 成都新柯力化工科技有限公司 | Polyurethane root-resistant waterproof coating and preparation method thereof |
| CN113848267B (en) * | 2021-09-22 | 2022-06-17 | 科顺防水科技股份有限公司 | Method for detecting content of root-blocking agent of root-puncture-resistant material |
| CN115044260A (en) * | 2022-06-27 | 2022-09-13 | 云南欣城防水科技有限公司 | Root-blocking environment-friendly polymer cement waterproof coating and preparation method thereof |
| CN116120838A (en) * | 2023-03-03 | 2023-05-16 | 福建中意铁科新型材料有限公司 | Root penetration-resistant waterproof paint, preparation and construction |
| CN116813473B (en) * | 2023-08-24 | 2023-12-08 | 佛山市科顺建筑材料有限公司 | Prepolymer, preparation method, michael addition coating with root inhibition effect and waterproof coating |
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| CN107418322A (en) | 2017-12-01 |
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